of motion required to cause the mass, or object, to move in one direction. The most significant difference between the two is the presence, or absence, of motion in the plane normal to the plane of the conveying surface.
of motion required to cause the mass, or object, tomove in one direction. The most significant differencebetween the two is the presence, or absence, of motionin the plane normal to the plane of the conveyingsurface.